Mixer deck



FIG. 1 is a top front perspective view of a mixer deck, embodying my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a right side elevation view thereof; and,

FIG. 7 is a left side elevation view thereof.

The broken lines represent the portions of the design that form no part of the claim. 

The ornamental design for mixer deck, as shown and described. 